{"product_id":"05w-fm-stereo-transmitter-76-108mhz-lcd-display-usbc","title":"0.5W FM Stereo Transmitter 76-108MHz LCD Display USB-C","description":"\u003cp\u003eBroadcast your own audio over FM radio with this compact \u003cstrong\u003e0.5W digital stereo FM transmitter\u003c\/strong\u003e. Covering the full 76–108 MHz band with 320 selectable frequencies, it's an ideal solution for campus radio stations, drive-in events, church services, car audio setups, and community broadcasting.\u003c\/p\u003e\n\n\u003cblockquote\u003e\n\u003cstrong\u003e⚠ Important Notes Before You Buy:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eThis is a \u003cstrong\u003etransmitter only\u003c\/strong\u003e — it is NOT a radio or receiver.\u003c\/li\u003e\n  \u003cli\u003eDoes \u003cstrong\u003enot\u003c\/strong\u003e support direct microphone input (a microphone pre-amplifier is required).\u003c\/li\u003e\n  \u003cli\u003eHas \u003cstrong\u003eno internal battery\u003c\/strong\u003e — requires an external 5V USB Type-C power supply (not included).\u003c\/li\u003e\n  \u003cli\u003eAn \u003cstrong\u003eexternal antenna must be connected\u003c\/strong\u003e for signal transmission. A dummy load cannot substitute for an antenna.\u003c\/li\u003e\n  \u003cli\u003eThis device does NOT boost or amplify existing radio signals.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePlease comply with all applicable local and national radio regulations when using this device.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Frequency Range:\u003c\/strong\u003e 76–108 MHz with adjustable steps of 1 MHz or 0.1 MHz — a total of 320 selectable transmission frequencies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Output Power:\u003c\/strong\u003e 10 mW to 500 mW (0.01 W – 0.5 W) across 11 power levels for flexible coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue Stereo Broadcast:\u003c\/strong\u003e 3.5 mm stereo audio input for high-fidelity FM stereo transmission.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLCD Digital Display:\u003c\/strong\u003e Clear display showing the current transmission frequency at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory Function:\u003c\/strong\u003e Automatically saves your last used frequency and power level — no need to re-configure on each startup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Type-C Powered:\u003c\/strong\u003e Convenient 5V\/500 mA USB-C power input for modern compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 2,000 Meters Range:\u003c\/strong\u003e Achievable at full 500 mW output with a full-size GP antenna in open, unobstructed conditions. With the included telescopic antenna, expect approximately 100–200 meters in open environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMA Antenna Connector:\u003c\/strong\u003e Standard SMA interface (external thread, internal hole) for easy antenna swapping and upgrades.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReinforced Sockets:\u003c\/strong\u003e Ports and buttons are manually reinforced to withstand repeated use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e 63 dB, 0.05% THD for clean, clear broadcast quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC-FMD5W2 (V100)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e76–108 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 mW – 500 mW (11 levels)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V DC via USB Type-C (4.8–5.5V range)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~200–500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 mm stereo jack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRF Output Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMA (external thread, internal pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSNR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e63 dB, 0.05% THD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.5 × 5 × 2 cm (excluding protruding parts)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eUse Cases\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🏫 \u003cstrong\u003eCampus Radio Stations\u003c\/strong\u003e — broadcast music or announcements across a campus\u003c\/li\u003e\n  \u003cli\u003e⛪ \u003cstrong\u003eChurch \u0026amp; Community Services\u003c\/strong\u003e — deliver audio to parking lots or overflow areas\u003c\/li\u003e\n  \u003cli\u003e🚗 \u003cstrong\u003eDrive-In Events\u003c\/strong\u003e — let attendees tune in via their car radios\u003c\/li\u003e\n  \u003cli\u003e🎵 \u003cstrong\u003ePersonal FM Broadcasting\u003c\/strong\u003e — stream audio from your device to nearby FM receivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Adjust Frequency \u0026amp; Power\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency:\u003c\/strong\u003e Use the Up\/Down buttons on the panel to step through frequencies in 1 MHz or 0.1 MHz increments. After 5 seconds of inactivity, the transmitter automatically saves the selected frequency to memory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e Long-press the Up button to enter power-setting mode. Use Up\/Down to select from 11 power levels (10 mW to 500 mW). After 3 seconds, the setting is saved automatically.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on legal FM broadcasting and spectrum use, refer to regulatory guidelines from the FCC. You can also find technical standards for low-power FM broadcasting at \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST.gov\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What is an FM transmitter and how does this one work?\u003c\/h4\u003e\n\u003cp\u003eA: An FM transmitter takes an audio input signal and converts it into a high-frequency FM radio signal, which is then broadcast via an antenna. This 0.5W stereo FM transmitter accepts a 3.5 mm audio input and broadcasts across any frequency in the 76–108 MHz band, allowing any standard FM radio receiver within range to pick up the signal.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How far can this FM transmitter broadcast?\u003c\/h4\u003e\n\u003cp\u003eA: At maximum power (500 mW) with a full-size GP antenna mounted at height and with clear line-of-sight, the transmitter can reach up to 2,000 meters. With a standard telescopic antenna in open environments, expect a range of approximately 100–200 meters. Obstructions such as buildings and terrain will reduce range.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I connect a microphone directly to this FM transmitter?\u003c\/h4\u003e\n\u003cp\u003eA: No, this transmitter does not support direct microphone input. To use a microphone, you'll need a separate microphone pre-amplifier to boost the signal to line level before connecting it to the transmitter's 3.5 mm audio input.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does this FM transmitter require?\u003c\/h4\u003e\n\u003cp\u003eA: The transmitter is powered via a USB Type-C connection at 5V DC (acceptable range: 4.8–5.5V), consuming approximately 200–500 mA depending on output power. A quality 5V USB power adapter is recommended — a poor-quality supply can introduce noise into the broadcast signal.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this FM transmitter legal to use?\u003c\/h4\u003e\n\u003cp\u003eA: Laws governing FM transmitter use vary by country and region. Always check your local radio frequency regulations before operating this device. Unauthorized modifications to increase power output or coverage beyond permitted limits are strictly the responsibility of the user. In the United States, low-power FM broadcasting is regulated by the FCC.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of antenna connector does this transmitter use?\u003c\/h4\u003e\n\u003cp\u003eA: The transmitter uses an SMA-specification antenna connector with external threads and an internal hole. Your antenna must have a matching SMA connector with internal threads and a pin. Antenna data and construction guidance are included in the manual.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is an FM transmitter and how does this one work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An FM transmitter takes an audio input signal and converts it into a high-frequency FM radio signal, which is then broadcast via an antenna. 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